//package com.LachesismStorm.lachesism.core.util;
//
//import org.springframework.scheduling.annotation.Scheduled;
//import org.springframework.stereotype.Service;
//
//import java.time.LocalDateTime;
//import java.util.Map;
//import java.util.concurrent.ConcurrentHashMap;
//
///**
// * @Author lachesism
// * @Date 2023-05-23 21:59
// **/
//
//@Service
//public class Blacklist {
//    private static Map<String, LocalDateTime> blacklist = new ConcurrentHashMap<>();
//
//    public static void addToBlacklist(String token) {
//        LocalDateTime expirationTime = LocalDateTime.now().plusSeconds(60*60*48);
//        blacklist.put(token, expirationTime);
//    }
//    public static boolean isBlacklisted(String token) {
//        //如果里面存在了
//        return blacklist.containsKey(token);
//    }
//    @Scheduled(fixedDelay = 1000*60*60*24)
//    public void clearExpiredItems() {
//        LocalDateTime now = LocalDateTime.now();
//        blacklist.entrySet().removeIf(entry -> entry.getValue().isBefore(now));
//    }
//
//}